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| The coal mill Hinged shaft device 20MG40.11.11 is a key component in the coal mill, mainly used to transmit hydraulic loading force and support the grinding roller. The hinge device transmits the hydraulic loading force to the grinding roller, allowing the grinding roller to perform extrusion and grinding movements on the grinding disc. This design allows the grinding roller to swing freely within a certain range, thereby improving the grinding efficiency. In addition, the hinge device also allows the grinding roller to have a certain inclination on the grinding disc, usually between 12 and 15, which helps the grinding roller to achieve unilateral wear during the grinding process and extend the service life of the wear-resistant parts. The design of the hinge device also enables it to adapt to changes in the thickness of the material layer and changes in the angle caused by the wear of the grinding roller and the grinding disc. |
| Technical parameters of coal mill Heat generation: 1631MJ/kg Surface moisture:< 18% Grindability system: HGI=4080 Combustible volatile matter: 1640% Raw coal particles: 040mm Fineness of coal powder: R90=240% |
| Product Features: 1. Reliability: Adopting high-quality bearing support and replaceable stationary wear rings. 2. Efficiency: The dual suction design improves suction efficiency. 3. Flexibility: Suitable for various industrial and municipal fields. 4. Stability: Maintain a high degree of sealing during operation, without leakage. 5. Maintainability: replaceable stationary wear rings and well-designed lubrication system. |
| Application: Thermal power plants: Coal mills are used to grind coal into powder for better combustion and power generation. Steel plant: Coal mills are used for the preparation of coal powder, helping to improve combustion efficiency. Cement plant: Coal mills are used for the preparation of coal powder to ensure the smooth progress of cement production. In the field of coal chemical industry, medium speed coal mills can be used in coal to oil, coal to fertilizer, coal to natural gas and other process flows to provide qualified coal powder. |
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